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How Slack Scaled MySQL to 1.5 Billion Messages a Day

Published 24 Mar 2026 · 28 daily observations recorded · last updated 2026-09-29

Views
134,915
Avg views / hour
29.8
since publish (lifetime average)
Recent velocity
26.4
+634 views over 24h (2026-09-28 → 2026-09-29)
vs channel baseline
—
Channel median
—

Recent growth

Last 7 days
+4,309 views
measured 2026-09-22 → 2026-09-29 (168h)
Last 30 days
+21,143 views
measured 2026-08-27 → 2026-09-29 (792h)

Performance history

Every observation TubeSum recorded, plotted as measured.

Views over time — 28 observed points, 104K to 135K views 0 47.2K 94.4K 142K Aug 4, 2026 · 103,998 views Aug 5, 2026 · 104,221 views Aug 7, 2026 · 104,904 views Aug 10, 2026 · 105,979 views Aug 17, 2026 · 109,288 views Aug 27, 2026 · 113,772 views Sep 1, 2026 · 118,364 views Sep 4, 2026 · 120,337 views Sep 7, 2026 · 122,114 views Sep 11, 2026 · 124,734 views Sep 12, 2026 · 125,159 views Sep 13, 2026 · 125,517 views Sep 14, 2026 · 126,053 views Sep 15, 2026 · 126,656 views Sep 16, 2026 · 127,122 views Sep 17, 2026 · 127,852 views Sep 18, 2026 · 128,487 views Sep 19, 2026 · 128,931 views Sep 20, 2026 · 129,296 views Sep 21, 2026 · 130,134 views Sep 22, 2026 · 130,606 views Sep 23, 2026 · 131,404 views Sep 24, 2026 · 132,140 views Sep 25, 2026 · 132,787 views Sep 26, 2026 · 133,175 views Sep 27, 2026 · 133,673 views Sep 28, 2026 · 134,281 views Sep 29, 2026 · 134,915 views Aug 4 Sep 15 Sep 29

Based on 28 observations · last observed Sep 29, 2026 · straight lines connect consecutive observations — TubeSum does not measure the days between them.

All observations

The same points the chart plots, as exact numbers. Gaps mean no observation was taken that day.

Date Views Avg views / hour Channel median
2026-09-29 134,915 29.8 —
2026-09-28 134,281 29.8 —
2026-09-27 133,673 29.9 —
2026-09-26 133,175 29.9 —
2026-09-25 132,787 30.0 —
2026-09-24 132,140 30.0 —
2026-09-23 131,404 30.0 —
2026-09-22 130,606 30.0 —
2026-09-21 130,134 30.0 —
2026-09-20 129,296 30.0 —
2026-09-19 128,931 30.1 —
2026-09-18 128,487 30.1 —
2026-09-17 127,852 30.1 —
2026-09-16 127,122 30.2 —
2026-09-15 126,656 30.2 —
2026-09-14 126,053 30.3 —
2026-09-13 125,517 30.3 —
2026-09-12 125,159 30.3 —
2026-09-11 124,734 30.4 —
2026-09-07 122,114 30.5 —
2026-09-04 120,337 30.6 —
2026-09-01 118,364 30.7 —
2026-08-27 113,772 30.5 —
2026-08-17 109,288 31.3 —
2026-08-10 105,979 31.9 —
2026-08-07 104,904 32.2 —
2026-08-05 104,221 32.5 —
2026-08-04 103,998 32.6 —

Content analysis

Transcript, chapters and structure for this video live on its analysis page — performance and content are separate documents on TubeSum.

Read transcript & analysis →